204452422531 has 12 divisors (see below), whose sum is σ = 238736730672. Its totient is φ = 174578592048.

The previous prime is 204452422507. The next prime is 204452422553. The reversal of 204452422531 is 135224254402.

It is not a de Polignac number, because 204452422531 - 2³⁵ = 170092684163 is a prime.

It is a super-2 number, since 2×204452422531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204452422831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7919620 + ... + 7945393.

It is an arithmetic number, because the mean of its divisors is an integer number (19894727556).

Almost surely, 2^204452422531 is an apocalyptic number.

204452422531 is a deficient number, since it is larger than the sum of its proper divisors (34284308141).

204452422531 is a wasteful number, since it uses less digits than its factorization.

204452422531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865290 (or 15865283 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 204452422531 its reverse (135224254402), we get a palindrome (339676676933).

The spelling of 204452422531 in words is "two hundred four billion, four hundred fifty-two million, four hundred twenty-two thousand, five hundred thirty-one".